PlexKodiConnect/resources/lib/plex_companion/playqueue.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from logging import getLogger
import copy
from ..plex_api import API
from .. import variables as v
from .. import app
from .. import utils
from .. import plex_functions as PF
from .. import playlist_func as PL
from .. import exceptions
log = getLogger('PLEX.companion.playqueue')
PLUGIN = 'plugin://%s' % v.ADDON_ID
def init_playqueue_from_plex_children(plex_id, transient_token=None):
"""
Init a new playqueue e.g. from an album. Alexa does this
Returns the playqueue
"""
xml = PF.GetAllPlexChildren(plex_id)
try:
xml[0].attrib
except (TypeError, IndexError, AttributeError):
log.error('Could not download the PMS xml for %s', plex_id)
return
playqueue = app.PLAYQUEUES.from_plex_type(xml[0].attrib['type'])
playqueue.clear()
for i, child in enumerate(xml):
api = API(child)
try:
PL.add_item_to_playlist(playqueue, i, plex_id=api.plex_id)
except exceptions.PlaylistError:
log.error('Could not add Plex item to our playlist: %s, %s',
child.tag, child.attrib)
playqueue.plex_transient_token = transient_token
log.debug('Firing up Kodi player')
app.APP.player.play(playqueue.kodi_pl, None, False, 0)
return playqueue
def compare_playqueues(playqueue, new_kodi_playqueue):
"""
Used to poll the Kodi playqueue and update the Plex playqueue if needed
"""
old = list(playqueue.items)
# We might append to new_kodi_playqueue but will need the original
# still back in the main loop
new = copy.deepcopy(new_kodi_playqueue)
index = list(range(0, len(old)))
log.debug('Comparing new Kodi playqueue %s with our play queue %s',
new, old)
for i, new_item in enumerate(new):
if (new_item['file'].startswith('plugin://') and
not new_item['file'].startswith(PLUGIN)):
# Ignore new media added by other addons
continue
for j, old_item in enumerate(old):
if app.APP.stop_pkc:
# Chances are that we got an empty Kodi playlist due to
# Kodi exit
return
try:
if (old_item.file.startswith('plugin://') and not old_item.file.startswith(PLUGIN)):
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# Ignore media by other addons
continue
except AttributeError:
# were not passed a filename; ignore
pass
if 'id' in new_item:
identical = (old_item.kodi_id == new_item['id'] and
old_item.kodi_type == new_item['type'])
else:
try:
plex_id = int(utils.REGEX_PLEX_ID.findall(new_item['file'])[0])
except IndexError:
log.debug('Comparing paths directly as a fallback')
identical = old_item.file == new_item['file']
else:
identical = plex_id == old_item.plex_id
if j == 0 and identical:
del old[0], index[0]
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break
elif identical:
log.debug('Playqueue item %s moved to position %s',
index[j], i)
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try:
PL.move_playlist_item(playqueue, index[j], i)
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except exceptions.PlaylistError:
log.error('Could not modify playqueue positions')
log.error('This is likely caused by mixing audio and '
'video tracks in the Kodi playqueue')
del old[j], index[i]
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break
else:
log.debug('Detected new Kodi element at position %s: %s ',
i, new_item)
try:
if playqueue.id is None:
PL.init_plex_playqueue(playqueue, kodi_item=new_item)
else:
PL.add_item_to_plex_playqueue(playqueue,
i,
kodi_item=new_item)
except exceptions.PlaylistError:
# Could not add the element
pass
except KeyError:
# Catches KeyError from PL.verify_kodi_item()
# Hack: Kodi already started playback of a new item and we
# started playback already using kodimonitors
# PlayBackStart(), but the Kodi playlist STILL only shows
# the old element. Hence ignore playlist difference here
log.debug('Detected an outdated Kodi playlist - ignoring')
return
except IndexError:
# This is really a hack - happens when using Addon Paths
# and repeatedly starting the same element. Kodi will then
# not pass kodi id nor file path AND will also not
# start-up playback. Hence kodimonitor kicks off playback.
# Also see kodimonitor.py - _playlist_onadd()
pass
else:
for j in range(i, len(index)):
index[j] += 1
for i in reversed(index):
if app.APP.stop_pkc:
# Chances are that we got an empty Kodi playlist due to
# Kodi exit
return
log.debug('Detected deletion of playqueue element at pos %s', i)
try:
PL.delete_playlist_item_from_PMS(playqueue, i)
except exceptions.PlaylistError:
log.error('Could not delete PMS element from position %s', i)
log.error('This is likely caused by mixing audio and '
'video tracks in the Kodi playqueue')
log.debug('Done comparing playqueues')